SQL Server Optional parameter stored procedure with web service (.asmx) and Ajax call from front end

vatpfxk5 于 12个月前发布在其他

关注(0)|答案(1)|浏览(92)

I have a stored procedure with an optional parameter like this:

CREATE PROCEDURE SP_GetPData
    (@StDt Datetime,
     @EndDt Datetime,
     @Process VARCHAR(10) = NULL,
     @Item VARCHAR(50) = NULL)

Then I have a method in my web service ( .asmx ) file like this:

public string GetProdData(string stdt, string enddt, [Optional] string process, [Optional] string item)
{
    return (ConvertDataToJsonString(result));
}

I call this method from my webpage like below:

var params = new Object(); 
params.stdt = myStDt; 
params.enddt = myEndDt; 
params.process = ??; 
params.item = ??;

$.ajax (   {
       url: /myWebService.asmx/GetProdData
       ,data:JSON.stringify(params);
       ,success:function(response){}
       ,error:function(response){}   } );

How to pass the optional parameter through Ajax, or is there any way to get result with full parameters or by not providing optional parameters?

Do I need to refine the web service method or any other way out...

sql-server

来源：https://stackoverflow.com/questions/77606106/optional-parameter-stored-procedure-with-web-service-asmx-and-ajax-call-from

1条答案

按热度按时间

w9apscun1#

I manage to achieve this by changing my WebService(.asmx) method as follows.

public string GetProdData(Dictionary<string, string> myObj)
{
       if(myObj["process"]!=null){ /*add myObj's member as parameter in SqlAdapters Command...*/}
}

And in FrontEnd (Page Level)Javascript/JQuery as follows:

myObj.stdt = frDt;
            myObj.enddt = toDt;

            if (pro != '') {
                myObj.process = pro /*pro is local JS variable where Parameter will be stored and passed to WebService Method.*/
            } else { myObj.process = null;}

赞(0）回复(0）举报 12个月前

我来回答

SQL Server Optional parameter stored procedure with web service (.asmx) and Ajax call from front end

1条答案

相关问题

热门标签

最新问答